Finding the Fourth Proportional to 22,730.40, 34,100.96 and 7,148.03

Step by Step Solution

1. Step 1: Write the proportion equation
   22,730.40 : 34,100.96 = 7,148.03 : x
2. Step 2: Convert to fraction form
   22,730.40/34,100.96 = 7,148.03/x
3. Step 3: Cross multiply
   22,730.40x = 34,100.96 × 7,148.03
4. Step 4: Simplify right side
   22,730.40x = 243,754,478.86
5. Step 5: Solve for x
   x = 243,754,478.86/22,730.40
6. Step 6: Final answer
   x = 10,723.72